/*公共*/
 
li {
	list-style: none;
}

.float-l {
	float: left;
}

.float-r {
	float: right;
}

a,
a:hover {
	text-decoration: none;
	cursor: pointer;
	color:#000;
}

.m-t-15 {
	margin-top: 15px;
}
button {
	outline: none !important;
}
/*开始*/
.four-level-menu {
	background: #fff;
	height: 70px;
}
.first-menu{
    background: #4285f4;
	height: 56px;
	position: relative;
	width:1178px;
}
.first-menu>li {
	float: left;
	border-right:1px solid #bab9b8;
}
.first-link {
	padding: 20px 20px;
	display: block;
	background: #3367d6;
	height: 86px;
	line-height: initial;
	color: #ffffff;
	font-weight: normal;
	cursor: pointer;
	text-align: center;
    width: 146px;
}

.first-link.hover {
	background: #3367d6;
	color: #000;
}


/*二级菜单*/

.second-menu {
	width: 100%;
	position: absolute;
	z-index: 9999;
	left: 0px;
	background: rgb(213, 213, 213,0.99);
	padding: 15px;
	opacity: 1;
	display: none;
	    border: 1px solid #3367d6;
}

.second-menu>li {
	float: left;
	width: auto;
	margin-right: 15px;
	margin-bottom: 10px;
}

.second-link {
	color: #333;
	font-weight: bold;
	border-bottom: 1px solid #ddd;
	padding: 7px 15px;
	display: block;
	margin-bottom: 10px;
}

.second-link:hover {
	color: #3367d6;
}

.third-menu>li {
	position: relative;
	overflow: hidden;
}

.third-link {
	padding: 18px 15px;
	display: block;
	color: #000;
	float: left;
}
.third-link:hover{/*background:#fff !important*/}
.third-link.hover {
	/*background: #191515;*/
	color: #3367d6;
	border-radius: 4px;
	font-weight:bold;
}

.fourth-menu {
	position: absolute;
	background: #fff;
	border: 1px solid #ddd;
	padding: 10px 15px;
	left: 125px;
	display: none;
	top: 0px;
	width: 150px;
	z-index: 999;
	border-radius: 6px;
	box-shadow: 1px 1px 7px #ddd;
}

.fourth-menu:before,.fourth-menu:after {
	content: "";
	display: block;
	border-width: 10px;
	position: absolute;
	top: 8px;
	left: -20px;
	border-style: solid dashed dashed;
	border-color: transparent #ddd transparent transparent;
	font-size: 0;
	line-height: 0;
}

.fourth-menu:after {
	top: 10px;
	left: -16px;
	border-width: 8px;
	border-color: transparent #fff transparent transparent;
}

.fourth-menu a {
	display: block;
	color: #666;
	padding: 4px 0px;
}

.fourth-menu a:hover {
	color: #3367d6;
	text-decoration: underline;   		
}
.callbacks_nav {
    position: absolute;
    -webkit-tap-highlight-color: rgba(0,0,0,0);
    bottom: 109px;
    left: 0;
    z-index: 3;
    text-indent: -9999px;
    overflow: hidden;
    text-decoration: none;
    width: 50px;
    height: 187px;
    background: transparent url(../images/arrows.png) no-repeat left top;
}
.callbacks_nav.next {
  left: auto;
    background-position: right top;
  right: 10%;
 }
 .callbacks_nav.prev {
    right: auto;
    background-position: left top;
    left: 10%;
}

.choose_width{
	width: 80%;
}

.mb_hide{
    display: block;
 }

.color3367d6{
	color: #3367d6;
}


@media screen and (max-width: 782px) {
	.mb_hide{
	    display: none;
	 }

	.choose_width{
		width: 100%;
	}




}